2-(Difluoromethyl)-5-methyl-6-(trifluoromethyl)pyridine-3-acetonitrile
6-(Difluoromethyl)-3-methyl-4-(trifluoromethyl)pyridine-2-acetonitrile
2-(Difluoromethyl)-5-methyl-3-(trifluoromethyl)pyridine-6-acetonitrile
3-(Difluoromethyl)-6-methyl-2-(trifluoromethyl)pyridine-5-acetonitrile